# include <iostream>
#include <vector>
using namespace std;
void printVector(vector<int>&v){
    for(vector<int>::iterator it=v.begin();it!=v.end();it++){
        cout<<*it<<" ";
    }
    cout<<endl;
}
void test01(){
    vector<int>v1;
    for (int i = 0; i <10 ; ++i) {
        v1.push_back(i);
    }
    printVector(v1);
    vector<int>v2(v1.begin(),v1.end());
    printVector(v2);
    vector<int>v3(10,999);
    printVector(v3);
    vector<int>v4(v3);
    printVector(v4);
}
int main() {
test01();
    system("pause");
    return 0;
}
